The apparent reappearance of the green-faced troublemaker known only as "Big-Head" has the city and its authorities reeling, and things're about to get worse. Walter -- the lumbering powerhouse who's become the arch nemesis of The Mask -- is back and out for blood, and Rick, the teen-ager currently possessing the powerful mask, realizes the power it gives may carry too high a price, but not in time to avoid a knockdown-dragout, anvil-dropping battle.